The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 29 July 2025 06:22 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	16509	356892	4.10%	13835	25.80	AMAZON-02, US
2	8151	261139	3.00%	12392	21.07	UNINET, MX
3	18678	105712	1.21%	259	408.15	INTERNEXA S.A. E.S.P, CO
4	4155	87918	1.01%	3896	22.57	USDA-1, US
5	39891	80574	0.93%	4798	16.79	ALJAWWALSTC-AS, SA
6	58224	75628	0.87%	1166	64.86	TCI, IR
7	10620	66182	0.76%	3515	18.83	Telmex Colombia S.A., CO
8	36903	66121	0.76%	1249	52.94	MT-MPLS, MA
9	15964	63089	0.72%	136	463.89	CAMNET-AS, CM
10	28135	57881	0.66%	67	863.90	ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
11	17049	54593	0.63%	64	853.02	MBO-NET, US
12	27882	47575	0.55%	367	129.63	Telefonica Celular de Bolivia S.A., BO
13	647	46733	0.54%	417	112.07	DNIC-ASBLK-00616-00665, US
14	52752	45883	0.53%	28	1638.68	Vegas Telecom Informatica Ltda., BR
15	9829	41709	0.48%	1833	22.75	BSNL-NIB National Internet Backbone, IN
16	36914	38110	0.44%	588	64.81	KENET-AS, KE
17	45899	37714	0.43%	3299	11.43	VNPT-AS-VN VNPT Corp, VN
18	197207	36345	0.42%	747	48.65	MCCI-AS, IR
19	367	34966	0.40%	2776	12.60	DNIC-ASBLK-00306-00371, US
20	63376	34797	0.40%	2	17398.50	TOUCHTONE-CUSTS, US
21	44244	34185	0.39%	427	80.06	IRANCELL-AS, IR
22	136255	32136	0.37%	125	257.09	TIMCL-AS-AP Telecom International Myanmar Co., Ltd, MM
23	5371	30989	0.36%	302	102.61	DNIC-ASBLK-05120-05376, US
24	21826	30958	0.36%	875	35.38	Corporacion Telemic C.A., VE
25	51559	30926	0.36%	130	237.89	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
26	28657	29531	0.34%	3	9843.67	MD Brasil - Tecnologia da Informacao Ltda, BR
27	37462	29477	0.34%	4	7369.25	Prestabist, TD
28	19429	29389	0.34%	704	41.75	ETB - Colombia, CO
29	9498	29379	0.34%	4473	6.57	BBIL-AP BHARTI Airtel Ltd., IN
30	263069	28607	0.33%	11	2600.64	BRT Comercio de Produtos de Informatica LTDA, BR
31	20473	25669	0.29%	1465	17.52	AS-VULTR, US
32	8048	25314	0.29%	450	56.25	CANTV Servicios, Venezuela, VE
33	42337	24626	0.28%	684	36.00	RESPINA-AS, IR
34	17794	24413	0.28%	13	1877.92	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
35	334	23871	0.27%	46	518.93	DNIC-ASBLK-00306-00371, US
36	24835	23684	0.27%	1742	13.60	RAYA-AS, EG
37	7552	23570	0.27%	3944	5.98	VIETEL-AS-AP Viettel Group, VN
38	8369	22855	0.26%	58	394.05	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
39	210538	22649	0.26%	26	871.12	KEYUBU, TR
40	34615	22559	0.26%	2	11279.50	UNIVERSAL-EXPORTS Universal Exports, CH
41	11830	22064	0.25%	1987	11.10	Instituto Costarricense de Electricidad y Telecom., CR
42	11664	22041	0.25%	1216	18.13	Techtel LMDS Comunicaciones Interactivas S.A., AR
43	29465	21830	0.25%	546	39.98	VCG-AS, NG
44	265566	21733	0.25%	5	4346.60	TELESISTEMAS PENINSULARES SA DE CV, MX
45	25184	21291	0.24%	225	94.63	AFRANET to AS62265 announce AS25184, IR
46	24757	20868	0.24%	449	46.48	EthioNet-AS, ET
47	24560	20559	0.24%	2916	7.05	AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services, IN
48	209737	20553	0.24%	29	708.72	AS209737, TR
49	14374	20535	0.24%	103	199.37	AGRI-VALLEY, US
50	30036	20326	0.23%	2632	7.72	MEDIACOM-ENTERPRISE-BUSINESS, US
Total		2396148	27.53%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	63376	34797.0	0.40%	2	34797	TOUCHTONE-CUSTS, US
2	32685	12821.0	0.15%	1	12821	AEG-VISION, US
3	2603	12071.0	0.14%	11	12071	NORDUNET, DK
4	34615	11279.5	0.26%	2	22559	UNIVERSAL-EXPORTS Universal Exports, CH
5	28657	9843.7	0.34%	3	29531	MD Brasil - Tecnologia da Informacao Ltda, BR
6	329312	8694.0	0.10%	1	8694	Manano-Telecommunication-SARL, TD
7	37462	7369.2	0.34%	4	29477	Prestabist, TD
8	138071	5309.0	0.06%	1	5309	IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
9	17794	4882.6	0.28%	13	24413	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
10	265953	4875.7	0.17%	4	14627	INNOVA TECNOLOGIA E SERVICOS LTDA., BR
11	396950	4834.0	0.06%	1	4834	COMSTBARTH-AS, FR
12	7954	4440.3	0.15%	3	13321	IMMENSE-NETWORKS, US
13	265566	4346.6	0.25%	5	21733	TELESISTEMAS PENINSULARES SA DE CV, MX
14	263069	4086.7	0.33%	11	28607	BRT Comercio de Produtos de Informatica LTDA, BR
15	136103	3965.8	0.18%	4	15863	IDNIC-USM-AS-ID Universitas Semarang, ID
16	13341	3821.0	0.09%	5	7642	TRANQUILITY, US
17	886	3211.0	0.04%	1	3211	SBH-IX-SERVICES, FR
18	211306	2525.9	0.20%	14	17681	TREADSTONE-AS, RO
19	214294	2483.0	0.09%	4	7449	NOOBNET, GB
20	271084	2423.0	0.11%	4	9692	TRYMNET PROVEDOR, BR
21	329123	2195.0	0.03%	1	2195	RPNL1-AS, NG
22	59865	2112.7	0.17%	19	14789	IVM, NL
23	271482	2081.0	0.10%	5	8324	MEGA TELECOM FIBRA, BR
24	136867	2067.0	0.07%	3	6201	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
25	268788	2056.4	0.17%	7	14395	HEXA TELECOM LTDA, BR
26	7540	2042.1	0.16%	118	14295	HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
27	139981	1969.5	0.14%	6	11817	MENAKSOPAL-AS-ID PT. Menaksopal Link Nusantara, ID
28	327730	1785.0	0.02%	1	1785	PPF, TZ
29	328448	1779.0	0.02%	1	1779	Direction-Generale-Des-Impots-AS, BF
30	137258	1757.0	0.02%	1	1757	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
31	46218	1647.0	0.04%	2	3294	COMPORIUM-BREVARD-AS, US
32	52752	1638.7	0.53%	28	45883	Vegas Telecom Informatica Ltda., BR
33	31104	1493.5	0.03%	2	2987	EVACY, FR
34	51204	1424.0	0.02%	1	1424	UNIREA-SHOPPING-CENTER, RO
35	328599	1404.7	0.05%	3	4214	Amanet-SARL, TD
36	153978	1339.3	0.05%	3	4018	IDNIC-SAKOMTA-AS-ID PT Sarana Komunikasi Semesta, ID
37	25048	1329.8	0.08%	5	6649	DSNET DSNet, GB
38	215761	1287.8	0.06%	4	5151	MFATIHASAN, TR
39	54746	1230.0	0.03%	4	2460	KLAZO-ASN, US
40	329335	1228.0	0.01%	1	1228	Department-of-HIV-AIDS-and-Viral-Hepatitis, MW
41	139955	1222.5	0.08%	6	7335	DATAPRIME-AS-ID PT DATA PRIMA SOLUSINDO, ID
42	40138	1214.0	0.08%	12	7284	MDNET, US
43	399240	1142.0	0.04%	10	3426	BLUE-RIDGE-INTERNET, US
44	205643	1136.4	0.07%	5	5682	CENTINSUR, IR
45	204318	1111.0	0.01%	1	1111	BGPTOOLS-QA, GB
46	215391	1103.0	0.06%	5	5515	HOSTABIL, TR
47	131578	1098.0	0.01%	1	1098	BFSUNET Beijing Foreign Studies University, CN
48	42063	1098.0	0.01%	1	1098	ISKV, DE
49	29382	1061.0	0.02%	2	2122	UKRINFOSYSTEMS-AS, UA
50	57285	1059.0	0.01%
Total		193192.4	5.93%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	140.174.37.0/24	34797	0.39%	63376 -- TOUCHTONE-CUSTS, US
2	138.99.97.0/24	29521	0.33%	28657 -- MD Brasil - Tecnologia da Informacao Ltda, BR
3	168.0.128.0/22	28554	0.32%	263069 -- BRT Comercio de Produtos de Informatica LTDA, BR
4	177.46.39.0/24	28302	0.31%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
5	177.46.36.0/24	23523	0.26%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
6	45.172.92.0/22	21689	0.24%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
7	181.233.80.0/22	20145	0.22%	268314 -- EWERTON DA SILVA LOPES TELECOMUNICACOES, BR 271482 -- MEGA TELECOM FIBRA, BR
8	188.213.84.0/23	18412	0.20%	20473 -- AS-VULTR, US
9	130.137.231.0/24	15302	0.17%	16509 -- AMAZON-02, US
10	185.56.142.0/23	14783	0.16%	59865 -- IVM, NL
11	164.163.52.0/22	14625	0.16%	265953 -- INNOVA TECNOLOGIA E SERVICOS LTDA., BR
12	195.24.192.0/20	14515	0.16%	15964 -- CAMNET-AS, CM
13	202.181.232.0/23	14287	0.16%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
14	45.173.27.0/24	14260	0.16%	268788 -- HEXA TELECOM LTDA, BR
15	186.83.117.0/24	13384	0.15%	10620 -- Telmex Colombia S.A., CO
16	207.167.116.0/22	13319	0.15%	7954 -- IMMENSE-NETWORKS, US
17	161.199.252.0/24	12821	0.14%	32685 -- AEG-VISION, US
18	124.195.190.0/24	12619	0.14%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
19	193.10.255.0/24	12071	0.13%	2603 -- NORDUNET, DK
20	84.205.66.0/24	11788	0.13%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
21	192.109.38.0/24	11283	0.13%	34615 -- UNIVERSAL-EXPORTS Universal Exports, CH
22	192.109.37.0/24	11276	0.13%	34615 -- UNIVERSAL-EXPORTS Universal Exports, CH
23	130.137.108.0/24	10475	0.12%	16509 -- AMAZON-02, US
24	130.137.230.0/24	10089	0.11%	16509 -- AMAZON-02, US
25	130.137.12.0/24	10083	0.11%	16509 -- AMAZON-02, US
26	179.48.37.0/24	9657	0.11%	271084 -- TRYMNET PROVEDOR, BR
27	130.137.219.0/24	8749	0.10%	16509 -- AMAZON-02, US
28	130.137.80.0/24	8731	0.10%	16509 -- AMAZON-02, US
29	102.211.107.0/24	8694	0.10%	329312 -- Manano-Telecommunication-SARL, TD
30	130.137.79.0/24	8680	0.10%	16509 -- AMAZON-02, US
31	173.82.66.0/24	8578	0.10%	16509 -- AMAZON-02, US
32	130.137.227.0/24	8559	0.09%	16509 -- AMAZON-02, US
33	154.72.173.0/24	8530	0.09%	15964 -- CAMNET-AS, CM
34	130.137.28.0/24	8506	0.09%	16509 -- AMAZON-02, US
35	130.137.124.0/24	8500	0.09%	16509 -- AMAZON-02, US
36	130.137.127.0/24	8460	0.09%	16509 -- AMAZON-02, US
37	130.137.130.0/24	8432	0.09%	16509 -- AMAZON-02, US
38	130.137.140.0/24	8342	0.09%	16509 -- AMAZON-02, US
39	130.137.81.0/24	8330	0.09%	16509 -- AMAZON-02, US
40	173.82.108.0/24	8306	0.09%	16509 -- AMAZON-02, US
41	130.137.136.0/24	8301	0.09%	16509 -- AMAZON-02, US
42	130.137.150.0/24	8290	0.09%	16509 -- AMAZON-02, US
43	130.137.99.0/24	8281	0.09%	16509 -- AMAZON-02, US
44	130.137.26.0/24	8278	0.09%	16509 -- AMAZON-02, US
45	130.137.111.0/24	8268	0.09%	16509 -- AMAZON-02, US
46	173.82.67.0/24	8260	0.09%	16509 -- AMAZON-02, US
47	130.137.105.0/24	8256	0.09%	16509 -- AMAZON-02, US
48	130.137.90.0/24	8235	0.09%	16509 -- AMAZON-02, US
49	130.137.141.0/24	8233	0.09%	16509 -- AMAZON-02, US
50	130.137.147.0/24	8231	0.09%	16509 -- AMAZON-02, US
Total		633610	7.00%

14 Day BGP Profile: 15-July-2025 00:00 - 28-July-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	20748137
Number of Prefix Updates:	8709932
Number of Prefix Withdrawals:	310035
Average Prefixes per BGP Update:	0.43
Average BGP Update Messages per second:	17.15
Average Prefix Updates per second:	7.46
Peak BGP Update Message Rate per second:	50317	(10:32:17 Mon, 21-Jul-2025)
Peak Prefix Update Rate per second:	1251	(04:41:22 Tue, 15-Jul-2025)
Peak Prefix Withdraw Rate per second:	27512	(10:32:17 Mon, 21-Jul-2025)
Prefix Count:	1035536
Updated Prefix Count:	713788
Stable Prefix Count:	321748
Origin AS Count:	77121
Updated Origin AS Count:	62503
Stable Origin AS Count:	14618
Unique Path Count:	583385
Updated Path Count:	440656
Stable Path Count:	142729

Hourly Average of Per-Second Updated and Withdrawn Prefix Rate

Hourly Peak of Per-Second Updated and Withdrawn Prefix Rate

Hourly Average Per-Second Updated Prefix Rate by Update Type

Hourly Peak of Per-Second Updated Prefix Rate by Update Type

BGP Table Activity

Cumulative Distribution of per-Prefix and per-AS Updates

Notes

The data has been gathered using a single eBGP peering with AS 131072. The observations of BGP path change are relative to this observation point. The updates are generated by a Quagga BGP implementation providing a timestamped log of incoming update messages. The timezone of this monitoring point is UTC+1000. Updates are processed on a 24 hour cycle.